6mm Greek Key Couples Matching His and Hers Wedding Band Set. Exceptional! This his and hers matching wedding ring set features a Greek Key design at the center surrounded by milgrain patterns on each side. Measuring 6mm wide, these rings feature comfort fit for more comfortable wear. Made in New York, USA. Design your His and Hers wedding ring set with Materials of 14K, 18K Gold and 950 Platinum; Colors of White, Yellow, Pink, Two Tone Gold and Platinum.